Yes, 1,000 words fits in one rewrite run. A single run takes 12,000 characters, roughly 2,000 words, and 1,000 words of ordinary prose is about 6,000 characters. What decides how much of it you can rewrite for free is the credit price. Rewriting costs 1 credit per 50 words, so 1,000 words is 20 credits, and the free tier is 10 credits a day with no account, no login, no card and no email address. Ten credits is 500 words of rewriting. So a full machine rewrite of 1,000 words either runs across two days, or you spend today's credits on the half that needs it most and fix the rest by hand. Checking is flat at 1 credit per run whatever the length, so finding out where you stand costs one credit out of the ten.
A 1,000-word piece runs to roughly 6,000 characters with spaces. That is about four double-spaced pages at 12 point, or two single-spaced, and somewhere around a dozen paragraphs. Hold on to the paragraph count, because paragraphs are the unit you spend credits on.
Nothing about that size is awkward for either tool. The rewriter takes 12,000 characters in one run, so a 1,000-word draft goes in whole with half the room to spare. The checker will not score anything under 65 words and the rewriter will not touch anything under 25, so a 1,000-word essay clears both floors by a wide margin. If you are not certain your draft is the length you think it is, the word counter is free and unlimited and takes a second.
Rewriting is priced by length because generation time scales with length. The rate is 1 credit per 50 words, computed on each run and rounded up to the next whole credit, with a floor of one credit. A 1,000-word draft is therefore 20 credits.
Checking is priced flat at 1 credit per run, whatever you paste into it. A check is a single pass that takes the same single pass whatever the length, so the price does not move with the word count. The practical effect is that measuring is close to free and only rewriting is rationed.
The free allowance is 10 credits a day per network, with nothing to sign up for and nothing to verify. Ten credits is 500 words of rewriting, or ten checks of any length, or any mix of the two.
The checker returns a 0 to 100 score and one of three verdicts: reads as AI-generated, borderline, or reads as human-written. It takes seconds and costs a single credit on the whole 1,000 words. That leaves you nine, which is 450 words of rewriting.
The score covers the passage you pasted, so it tells you where the draft stands rather than which sentences did it. That part comes from the registry of named AI writing tells, which runs in your browser, highlights the exact phrases a detector keys on, and costs nothing at all. It does not touch your allowance, so you can run it as many times as you like.
Tells are rarely spread evenly through a 1,000-word draft. In most drafts they collect in the introduction and the conclusion, which are the parts a language model writes most formulaically: the throat-clearing opener, the three-item list, the closing paragraph that restates the same three points in the same order. Body paragraphs built from material you supplied usually carry fewer. Once you can see where the highlights gather, you know which four or five paragraphs are worth nine credits and which ones you can leave alone.
The allowance refills every 24 hours, so a machine rewrite of all 1,000 words takes two days. Day two is not automatic. Run a check on the revised draft before you assume the rest needs rewriting, because that one credit answers the question directly, and if the score has already moved into a band you are happy with then you are finished, having spent ten credits on a 1,000-word essay.
The two-day version that wastes nothing:
Cost is calculated per run and rounded up, so splitting a draft is free as long as your sections land on multiples of 50 words. Two 500-word halves cost 10 credits and 10 credits, exactly what the single 1,000-word run would have cost. Four 250-word sections cost 5 credits each. Same total.
The rounding only bites on odd sizes. A 260-word section costs 6 credits, which is the price of 300 words. Cut a 1,000-word draft into six paragraphs of about 167 words each and it comes to 24 credits instead of 20. Cutting at paragraph boundaries that fall near a multiple of 50 keeps the difference at zero or close to it, and the word counter makes the cuts easy to place.
A run you cannot afford is refused before anything is deducted. Paste all 1,000 words with 10 credits in hand and you are told the run costs 20 and that you have 10 left, and your balance is exactly where it was. Nothing is lost by trying.
The half of the draft you do not spend credits on is not stuck as it is. Every diagnostic here is free and unlimited: the registry of named tells, a proofreader, a readability checker, an AI vocabulary checker, a plagiarism and originality check, and a signed drafting record. None of them cost a credit and none of them need an account.
The fixes those tools name are ones you can make in a few minutes. If your remaining budget is one credit, spend it on a check after the hand edits rather than on 50 more words of machine rewriting. The edits worth making first:
Some of the people who land on this page are not trying to rewrite a machine draft at all. They wrote 1,000 words themselves, a course tool flagged the essay, and they want to know which sentences caused it. Detectors misfire on clean, even, correct prose, which is what careful writers and second-language writers produce. The Stanford HAI study by Liang et al. in 2023 found that 61% of TOEFL essays written by non-native speakers were falsely flagged as AI across seven detectors.
In that case do not rewrite first. Check the draft, read the highlighted tells, and see which of your own habits are being scored. Often it is two or three repeated constructions across the whole essay rather than anything wrong with the argument. The signed drafting record is worth opening as well. It records a draft as it is written, so it works on the next essay rather than the finished one, and it gives you timestamps and revision history to point at instead of a denial.
Yes, across two days. The rewrite costs 20 credits and the free allowance is 10 credits a day, so the full 1,000 words costs nothing but takes two sittings. If you need it finished today, spend 1 credit on a check, run the free tell registry to find the worst 450 words, rewrite those with the other 9 credits, and fix the rest by hand with the free tools.
Twenty. The rate is 1 credit per 50 words on the rewriter, rounded up on each run, with a floor of one credit. A check on the same 1,000 words is 1 credit, because checking is flat-priced whatever the length.
No, as long as the chunks are close to multiples of 50 words. Cost is rounded up on each run, so two 500-word halves cost the same 20 credits as one 1,000-word run, while six sections of about 167 words cost 24. Cut at paragraph breaks near a multiple of 50.
Comfortably. One run takes 12,000 characters, which is roughly 2,000 words, and 1,000 words of prose is about 6,000 characters. The minimum is 25 words for a rewrite and 65 words for a check.
No. No account, no login, no card and no email address, and nothing to verify. The free credits are counted per network and refill every 24 hours.
No tool can promise you a particular score on a particular detector, and we do not claim one. What you can do is check your draft here, read the named tells, and fix the features that get scored. On the policy question: rewriting a draft you were permitted to generate is ordinary editing, and where AI is not permitted, that rule covers the draft however it is edited. Read the policy that applies to you.